/*

 * Copyright (c) 2017-2018, FastDev 刘强 (fastdev@163.com).

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package of.hotswapinject.injection;

import of.hotswapinject.core.common.Util;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.commons.AdviceAdapter;

public class MethodHookedChecker implements IMethodHook {
    private boolean hooked = false;
    @Override
    public MethodVisitor hook(int access, String name, String desc, String signature, String[] exceptions, MethodVisitor mv) {
        return new AdviceAdapter(Opcodes.ASM5, mv, access, name, desc) {
            @Override
            public void visitMethodInsn(int opcode, String owner, String name,
                                        String desc, boolean itf) {
                if(MethodHook.MethodHookClassName.equals(owner)) {
                    hooked = true;
                }
                super.visitMethodInsn(opcode, owner, name,
                        desc, itf);
            }
        };
    }

    public boolean isHooked() {
        return hooked;
    }

    @Override
    public boolean computeFrames() {
        return false;
    }
}
